Havelaar, AHSwart, A2025-03-252025-03-2520162791521110.1016/j.epidem.2016.11.004https://rivm.openrepository.com/handle/10029/649561Impact of waning acquired immunity and asymptomatic infections on case-control studies for enteric pathogens.ArticleEpidemics 2016; 17: 56-632025-03-25